Chemical process for the preparation of 2-hydroxyaryladehyde

Details Chemical process for the preparation of 2-hydroxyaryladehyde Chemical process for the preparation of 2-hydroxyaryladehyde

C - Chemistry, Metallurgy

07

C

C07C 47/565 (2006.01) C07C 45/68 (2006.01) C07C 45/70 (2006.01)

Patent

CA 2104069

A method for the preparation of a 2-hydroxyarylaldehyde which comprises reacting an aryloxymagnesium halide derived from a phenol having at least one free ortho position relative to the phenolic hydroxy group with formaldehyde or a formaldehyde-liberating compound under substantially anhydrous conditions in the presence of a polar organic solvent other than hexamethylphosphoramide or 1,3-dimethyl-3,4,5,6-2(1H)-pyrimidone.

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